American cockroach(redirected from Palmetto bug)
Also found in: Dictionary, Thesaurus.
Related to Palmetto bug: German cockroach
The largest of the common cockroaches (Periplaneta americana), capable of flight, native to Africa but carried worldwide on ships, and found in tropical and subtropical climates. Allergens derived from P. americana are abbreviated Per a by the World Health Organization.Synonym: waterbug
See also: cockroach